CVE-2016-20024
Insecure File Permissions in ZKTeco ZKTime.Net Enable Privilege Escalation
Publication date: 2026-03-16
Last updated on: 2026-03-16
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| zkteco | zktime.net | From 3.0.1.1 (inc) to 3.0.1.6 (inc) |
| zkteco | zktime.net | 3.0.1.6 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-538 | The product places sensitive information into files or directories that are accessible to actors who are allowed to have access to the files, but not to the sensitive information. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in ZKTeco ZKTime.Net version 3.0.1.6 and involves insecure file permissions. Specifically, the ZKTimeNet3.0 directory and its contents have world-writable permissions, which means any user can modify the files there. An attacker who is an unprivileged user can exploit this by replacing executable files with malicious binaries, allowing them to escalate their privileges on the system.
How can this vulnerability impact me? :
The impact of this vulnerability is significant because it allows an attacker without privileges to gain elevated privileges by modifying executable files. This can lead to unauthorized control over the affected system, potentially allowing the attacker to execute arbitrary code, access sensitive data, or disrupt system operations.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know